1. patrickduis

    Excellent explanation on how Modbus works

    Excellent explanation by John Rinaldi on how Modbus works. Within a few minutes you know how it is working. See:
  2. patrickduis

    Using both Modbus TCP and Profinet on the same ethernet cable

    I have some Siemens PLC systems that use Profinet but for improving the temperature control we want to also be able to use Modbus TCP modules on the same ethernet interface and Profinet (which is actually ethernet, not?) cabling. So just add and connect the Modbus TCP slaves via the same...
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